BULLETIN 229, U. S. DEPARTMENT OF AGRICULTURE. 



10 



ROSINi 



ROSIN, 

 HIGH 



ROSIN 



W.W.LOV? 



!> 



\/ 



IN 



PI'HTINE. I 





v ^t in 



I 1 I 



YEARS 



FIG. 1. High and low prices by years since 1901 for turpentine and two grades of rosin. 



